645456.fig.007a
(a)
645456.fig.007b
(b)
645456.fig.007c
(c)
645456.fig.007d
(d)
Figure 7: (a) A periodic solitoff-kink interaction solution (34) with (28) at time except for the modulus . (b)–(d) show the propagation of the periodic solitoff-kink interaction solution along the x-axis when at , , and .